IC 4-BIT BINARY COUNTER 16-DIPhttp://www.ti.com/lit/ds/symlink/sn74hc161.pdf..

IC 4-BIT BINARY COUNTER 16-DIPhttp://www.ti.com/lit/ds/symlink/sn74hc163.pdf..

IC 4-BIT BINARY COUNTER 16-DIPhttp://www.ti.com/lit/ds/symlink/sn74hc163.pdf..

IC 4-BIT UP/DN BIN CNTR 16-DIPhttp://www.ti.com/lit/ds/symlink/sn74hc191.pdf..

IC 4-BIT UP/DN BIN CNTR 16-DIPhttp://www.ti.com/lit/ds/symlink/sn74hc191.pdf..

IC COUNTER BINARY 3ST 16-SOIChttp://www.ti.com/lit/ds/symlink/sn74hc590a.pdf..

IC SYNC UP/DOWN COUNTER 16-DIPhttps://html.alldatasheet.com/html-pdf/27394/TI/SN74LS190N/24/1/SN74LS190N.html..

IC SYNC UP/DOWN COUNTER 16-DIPhttp://www.ti.com/lit/ds/symlink/sn74ls191.pdf..

IC 4-BIT UP/DOWN COUNTER 16-DIPhttp://www.ti.com/lit/ds/symlink/sn74ls193.pdf..

IC COUNTER BINARY 4BIT 14-DIPhttp://www.ti.com/lit/ds/symlink/sn74ls293.pdf..

IC 4BIT DECADE/BIN COUNT 16-DIPhttp://www.ti.com/lit/ds/symlink/sn74ls390.pdf..

IC DUAL 4-BIT BINARY CNTR 14-DIPhttp://www.ti.com/lit/ds/symlink/sn74ls390.pdf..

IC DECADE COUNTER 14-DIPhttps://html.alldatasheet.com/html-pdf/5744/MOTOROLA/SN74LS86N/260/1/SN74LS86N.html..

8-BIT SHIFT REGISTERS 14-DIPhttps://html.alldatasheet.com/html-pdf/27431/TI/SN74LS91N/23/1/SN74LS91N.html..

IC COUNTER DIVIDE X12 14DIPhttp://www.ti.com/lit/ds/symlink/sn74ls92.pdf..